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All results from a given calculation for S4N4 (Tetrasulfur tetranitride)

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-1810.793180
Energy at 298.15K-1810.797302
HF Energy-1810.317162
Nuclear repulsion energy766.236935
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 658 627 0.00      
2 A1 555 529 0.00      
3 A1 163 156 0.00      
4 A2 684 651 0.00      
5 A2 202 192 0.00      
6 B1 670 638 0.00      
7 B1 306 291 0.00      
8 B2 938 893 41.82      
9 B2 535 510 74.88      
10 B2 144 137 0.00      
11 E 799 761 1.61      
11 E 799 761 1.61      
12 E 643 613 78.45      
12 E 643 613 78.45      
13 E 480 457 14.67      
13 E 480 457 14.67      
14 E 280 267 14.84      
14 E 280 267 14.84      

Unscaled Zero Point Vibrational Energy (zpe) 4629.5 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 4409.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31+G**
ABC
0.04701 0.04701 0.03485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.339 1.339 0.000
N2 -1.339 1.339 0.000
N3 -1.339 -1.339 0.000
N4 1.339 -1.339 0.000
S5 0.000 1.487 0.955
S6 0.000 -1.487 0.955
S7 1.487 0.000 -0.955
S8 -1.487 0.000 -0.955

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.67873.78822.67871.65183.27031.65183.2703
N22.67872.67873.78821.65183.27033.27031.6518
N33.78822.67872.67873.27031.65183.27031.6518
N42.67873.78822.67873.27031.65181.65183.2703
S51.65181.65183.27033.27032.97402.84152.8415
S63.27033.27031.65181.65182.97402.84152.8415
S71.65183.27033.27031.65182.84152.84152.9740
S83.27031.65181.65183.27032.84152.84152.9740

picture of Tetrasulfur tetranitride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 S5 N2 108.350 N1 S7 N4 108.350
N2 S8 N3 108.350 N3 S6 N4 108.350
S5 N1 S7 118.657 S5 N2 S8 118.657
S6 N3 S8 118.657 S6 N4 S7 118.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.536      
2 N -0.536      
3 N -0.536      
4 N -0.536      
5 S 0.536      
6 S 0.536      
7 S 0.536      
8 S 0.536      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -79.000 0.000 0.000
y 0.000 -79.000 0.000
z 0.000 0.000 -69.105
Traceless
 xyz
x -4.947 0.000 0.000
y 0.000 -4.947 0.000
z 0.000 0.000 9.894
Polar
3z2-r219.788
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 17.661 0.000 0.000
y 0.000 17.661 0.000
z 0.000 0.000 12.413


<r2> (average value of r2) Å2
<r2> 347.679
(<r2>)1/2 18.646